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halfak_wmf

HN member
Joined
Wed, Dec 02, 2015, 7:17 PM UTC
HN karma
19
Public activity
7 items

About halfak_wmf

I'm Aaron Halfaker. I'm a socio-technologist. I study social systems and the technologies that support them. I work for the Wikimedia Foundation as a Principal Research Scientist.

Recent public activity

  1. comment
    Comment #12810202

    Hey folks. I just put this dataset together. It uses a prediction model that we've been working on for a while. This helps address some of the propensity modeling issues that past …

  2. story
  3. comment
    Comment #10665397

    Actually our AUC is 90% and that beats the state of the art in the literature. Accuracy is easy to game. We could get 97.5% accuracy by just predicting False all of the time. We do…

  4. comment
    Comment #10665360

    Sorry about the formatting issues. I can't seem to edit the post :/

  5. comment
    Comment #10665301

    +1 for Egalitarianism. So, when I use the word "feminism", I'm referring to the academic field that explores power structures in social systems. These power structures go far beyon…

  6. comment
    Comment #10665187

    Actually, we openly report a wide variety of statistics about our models. E.g. if you go to https://ores.wmflabs.org/scores/enwiki , the service lists out the models that are avail…

  7. comment
    Comment #10665156

    Yeah. We're actively working with patrollers to chase down mistakes and retrain the models. This is a system that will require continual improvement. Luckily, there's a lot of rese…